baber/WOPTO huggingface dataset:
Patent GB-337704-A (GB)
Title: Improvements in or relating to electron discharge devices
IPC: H01J19/30
Filed: 1930-02-15
Abstract: 337,704. Westinghouse Lamp Co., (Assignees of Rentschler, H. C.). Feb. 16, 1929, [Convention date]. Vacuum tubes. - The grid or anode of an electron discharge device is composed of an alloy of chromium and another metal, the oxide of which is less stable than chromium oxide, the chromium content only of the electrode surface being oxidized so that it may combine with any deposited alkaline earth oxides to form thermionically inactive compounds. The unoxidized metal permits the flow of space current without the usual delay incident to the heating of the electrode. As shown, a V-shaped filament which is supported by a bead 8 through a resilient hook 7 is surrounded by a grid 3 wound on supports 9 and an anode 4 which is mounted on a collar 12 by means of supports 11 to which is secured the head 8. The grid and anode consist of an alloy of chromium and nickel, or chromium, nickel and iron and are cleaned by baking in hydrogen and oxidized by cooling in air. They are then heated in pure dry hydrogen, e.g. to a temperature of 800-1000‹ C. for 10-15 minutes to reduce only the oxides of iron and nickel. A slight amount of water vapour in the hydrogen prevents the formation of nitride or carbide of chromium due to the presence of any nitrogen or saturated hydrocarbons in the gas.
Patent GB-266535-A (GB)
Title: Improvements in cleaning devices for cigar bunch concentrators
IPC: A24C1/18
Filed: 1926-02-23
Abstract: 266,535. Marks, E. C. R., and International Cigar Machinery Co. Feb. 23, 1926. Addition to 237,360. Cigar-making machines.-A device for removing the trimmings from the bunch concentrator or moulding-device of the machine described in the parent Specification comprises a brush 17 carried by an arm 13 which is swung to and fro about its pivot 14 by the engagement of a cam slot in the arm 13 with a pin 11 secured to the vertically reciprocating plunger 5 which carries the knife 6 for trimming off the end of the bunch. B after this has been moved downwards into the half-mould 3.
Patent GB-539801-A (GB)
Title: A method of purifying and concentrating of rubber latix by centrifuging
IPC: C08C1/10
Filed: 1940-03-20
Abstract: 539,801. Rubber latex. AKTIEBOLAGET SEPARATOR. March 20, 1940, No. 5202. Convention date, March 20, 1939. [Class 70] Rubber latex is purified and concentrated by adding to the latex substances such as acetone or soda lye which break the adhesion between the dirt particles and the rubber particles and centrifuging, the latex being purified in one centrifuge and concentrated in another. To avoid coagulation a so-called air-tight centrifuge may be used.
Patent GB-139210-A (GB)
Title: Improvements in filters for oil presses
IPC: B30B9/26
Filed: 1920-02-20
Abstract: 139,210. Soc. Anon. des Etablissements A. Olier. April 4, 1914, [Convenvention date]. Void [Published under Sect. 91 of the.Act]. Fats and fatty oils, extracting by pressure. A cage for an oil press consists of a casing 1 together with rings 2 with filtering-passages 3 between them leading to vertical conduits 5 extending through the rings. The filtering-passages 3 are formed as annular depressions on the upper surfaces of the rings, and communicate with recesses 4 which increase in depth towards the conduits 5. The rings 2 are clamped between flanges 6 formed with holes registering with the conduits 5. The conduits 5 may be cleared by passing a rod through them.
Patent GB-595826-A (GB)
Title: Improvements in tractors
IPC: B62D49/00
Filed: 1940-03-20
Abstract: 595,826. Fertilizer &c. distributers. TEISSEIRE, J. B. March 20, 1940, No. 5217. Convention date, March 25, 1939. [Class 6 (i)] [Also in Group XXXI] According to the Specification as open to inspection under Sect. 91, the front wheels 1, Fig. 2 (Cancalled), are mounted on an axle connected to the chassis frame by a longitudinal pivot and are arranged to be steerable through a large angle, the frame 2 being shaped to permit this. The wheels may be reversed on their axles in order to vary the track. A tank 13 contains water or other liquid which is sprayed by means of air from an air-compressor driven from a pulley 8. The tank may be removed and replaced by a tipping body or by another tank 45, Fig. 6 (Cancelled), for distributing powder or fertiliser to vines &c. The powder is distributed by means of a shaft 48 having helicoidal ribs 60, Fig. 7 (Cancelled). The shaft carries a wheel 46 adapted to be pressed by a hand lever 52 into engagement with a road wheel 1 when it is desired to drive the shaft. The powder is forced. to the shaft 48 by compressed air and passes to a distributor 56, 59. Cultivating tools may be raised and lowered by means of a hand lever 27, Fig. 2 (Cancelled), actuating a cable passing over a pulley 28. The tools may be connected to angle irons 16 fixed to the vehicle frame..This subject-matter does not appear in the Specification as accepted.
Patent GB-557009-A (GB)
Title: Machine tools for performing multiple operations such as simultaneous drilling
IPC: B23B39/16
Filed: 1942-04-20
Abstract: 557,009. Drilling-machines &c. STURDEE, A. H. April 20, 1942, No. 5229. [Class 83 (iii)] A machine tool comprising a number of standard drill heads arranged round a work piece is provided with pneumatic devices comprising a rack engaging a pinion on the normal feed spindle of each drill head so that all the spindles may be simultaneously power actuated. The unit applied to each head consists of a three-part casing having a fluid inlet chamber 17, a cylinder 14 for an operating piston 15 and a housing 11 for a rack rod 12, the housing having a locating-boss which may be located so that a pinion 13, fitted in place of an existing manual-feed operating device, is operated by the rack when air is admitted beneath the piston 15. To control the rate of feed, air from the chamber 17 is supplied through an adjustable needle valve located in a member 26 which is held against a seating 25 by a light spring but when fluid supply is open to exhaust the pressure in the cylinder causes the valve 26 to be unseated and allows rapid exhaust from the cylinder while the piston is returned by a spring 24 attached to a bar 21 extending from the rack bar. In the application to a multispindle drilling machine a number of spindles 37, radially arranged round a centre 38 are each driven from individual motors 45 and belts in casings 44. The supports 46 of the heads are clamped to eccentric pillars carried in radial bosses 40 so that the heads may be adjusted. The work may be supported on a jig 49. Each spindle head has an associated unit 10 secured to the member 46 by a bar 50. The hand feed lever of each head is replaced by a pinion 13. Flexible feed pipes from each head lead to a valve box 58 having valves operated to feed all the spindles simultaneously by a treadle 62 the valve-operating lever being normally biased by a spring 65 so that all the units are connected to exhaust. The feed movements may be stopped by the engagement of adjustable nuts on screws 66 moving with the spindles with fixed lugs 67. Alternatively stops 69 may engage the surface of the work to arrest the feed of the spindles. The stops may be associated with electrical indicating means.
Patent GB-217161-A (GB)
Title: Improvements in or relating to anchors
IPC: B63B21/36
Filed: 1924-02-29
Abstract: 217,161. Bellingham, A. Feb. 29, 1924. Anchors.-The stock a, which is in one piece, is pivoted to the shank d at b and is adapted to be turned automatically into its operative position at right angles to the shank when a pull comes on the anchor chain. To this end the chain j is passed through a ring m adjacent to the centre of the stock and is secured to a lug on the end of the stock after passing through a ring g loosely connected to an apertured projection h on the shank.
Patent GB-991128-A (GB)
Title: Improvements in or relating to the treatment of liquids
IPC: C13B20/14
Filed: 1962-02-12
Abstract: 991,128. Filtering and purifying liquids. UNION TANK CAR CO. Feb. 12, 1962 [Aug. 24, 1961], No. 5318/62. Heading B1D. A filter element of fabric, wire mesh or paper is pre-coated with a layer of powdered ionexchange resin so that both dissolved and undissolved materials are removed from liquid passed therethrough. A pre-coat tank 7 is filled with a slurry of ion-exchange resin and water and a filter tank 1 with demineralized water. Initial circulation is from tank 7 through pump 9, tank 1, leaf filter elements 5, and pipes 4 and 17 back to tank 7. Subsequently, flow through tank 7 is by-passed by opening a valve 23. Then valves 12 and 23 are closed (valves 10 and 21 being already closed) and valves 14 and 20 opened in feed line 13 and water service line 16 respectively, for normal filtration. On exhaustion the resins are washed off the filter leaves through drain 25, and recovered from the drain water for regeneration.
Patent GB-123861-A (GB)
Title: Improvements in Barbed Wire Fences and the like.
Inventor: BERTAGNOLIO COSTANZO
IPC: F41H11/08
Filed: 1918-03-27
Abstract: 123,861. Bertagnolio, C. March 27, 1918. Wire fencing; droppers. - Relates to barbed wire fences for military and other purposes in which parallel lengths of barbed wire are secured to intermediate supporting means and consists in making the supports of flexible metal so that they can be bent to any desired shape, such as rectangular, star, or rhomboidal, and be flattened if necessary so as to be wound on a reel. The device, when used as a wire entanglement, may lie on the ground, Fig. 6, or be secured to supporting posts, Fig. 9, this form being particularly suitable for winding on a reel.
Patent GB-796849-A (GB)
Title: Improvements in or relating to counter electromotive force cells
Inventor: SMITH WILLIAM WHARTON
IPC: H01M10/34
Filed: 1957-02-18
Abstract: 796,849. Batteries. ELECTRIC STORAGE BATTERY CO. Feb. 18, 1957, No. 5380/57. Drawings to Specification. Class 53. A sealed counter E.M.F. cell in which any oxygen and hydrogen that may be evolved are caused to re-combine catalytically is provided with nickel or stainless steel electrodes, one of which is provided with a surface of greater area than the plane dimensions of the electrode. This electrode which acts as the catalytic agent may be grooved on one or both sides or it may be perforated or etched or composed of sintered nickel powder. Both electrodes may be of identical construction and they are separated from one another by a microporous resin, nylon, or other material in which the electrolyte consisting of a solution of potassium hydroxide is entirely absorbed.
Patent GB-835401-A (GB)
Title: Improvements in or relating to pricking machines
Inventor: CANNELL JOHN EDWIN
IPC: A23N15/00
Filed: 1957-02-18
Abstract: 835,401. Pricking pulses. UNILEVER Ltd. Feb. 7, 1958 [Feb. 18. 1957], No. 5485/57. Class 58. A machine for pricking pulses such as peas and broad beans comprises a rotatable drum 9 provided with pockets 14 each holding a pulse, a hopper 22 for feeding pulses into the pockets and a rotatable drum 15 provided with pins 19. The drums are located and driven so that each pin comes into register with a pocket and impales a pulse therein as the said pin and pocket pass through the plane in which the axles 10 and 16 of the drums lie. Cam mechanism is provided to reciprocate the pins between a position in which they project through holes in the surface of the drum 15 and a rectracted position. Pulses impaled on the pins are forced off them during their movement into the retracted position and fall into a shoot 41. In an alternative construction, the pins project from the surface of the pin-drum and are not reciprocated and a plate, provided with slots along which the pins travel, is located between the pin-drum and the pocket-drum to remove pulses from the pins. Specification 835,402 is referred to.
Patent GB-227307-A (GB)
Title: Improvements in flooring blocks and tiles
IPC: E04F15/022
Filed: 1924-03-04
Abstract: 227,307. Brampton, F. W. March, 4, 1924. Compound or composite blocks; flooring blocks.-A flooring block comprises an upper part formed of one or more relatively thick blocks 1, 2 of wood and a base 3 of fibrocement, the upper and lower parts being secured together by means of an adhesive cement 4 and, if necessary, by nails, screws or dowel-pins. The wood blocks, which are arranged so as to present an end-grain upper surface, are secured together, preferably, by glueing.
Patent GB-375736-A (GB)
Title: Improvements in fly-catching bands
IPC: A01M1/16
Filed: 1932-02-24
Abstract: In a flypaper of the type enclosed in a box having a tubular body closed by two caps and provided at its free end with means whereby it may be hung up, the other end is so formed as to produce a lateral projection which after the band has been rolled and inserted within the tubular body is turned over the outside of said body and held in position by one of the caps.  The lateral projection may be formed integrally with the band, by folding the band or by sticking a piece of paper thereto.  The band may be secured to the tubular body by adhesive material, as also may the cap.
Patent GB-180049-A (GB)
Title: Improvements in and connected with electro magnetic switches for controlling the circuits of train-lighting and similar installations
IPC: H01H51/12
Filed: 1921-02-17
Abstract: 180,049. Stone & Co., Ltd., J., and Darker, A. H. Feb. 17, 1921. Electromagnetic switches.-In train-lighting and similar installations, electromagnetic switches for turning on and off groups of lamps &c. at different points of the train by means of a master switch at one point are actuated as shown in Fig. 1 by three windings A, B, C connected between two positive train wires a, b and one negative train wire d so as to be under the control of a master switch c, current being furnished by batteries f, f<1> charged by generators e, and groups of lamps, ventilators, &c. g, g<1>, h, being connected to the main contacts of the electromagnetic switches. The single switch shown on the righthand side of the Figure is closed by the energization of a winding B when the master switch is momentarily set on its contact c<3>. The lifting of the solenoid core j, in addition to completing the lamp circuits, also puts in a hold-on winding C, which remains energized when the master switch is released. To open the electromagnetic switch, the third winding A, oppositely wound to the others, is energized bv setting the master switch on its contact c<2>. Instead of throwing in a third winding, the first winding B may be reversely connected. In the duplex construction shown on the left-hand side of the Figure, each electromagnetic switch acts individually to turn on and off lamps &c. in the same manner as the single switch, and the two are further arranged to act in combination so that when the master switch is set on contacts c<2> and c<3> simultaneously, only one group of lamps &c. is turned on. In modifications of the duplex construction the arrangement of the three windings of one switch is varied, or a two-winding arrangement is used instead. The switches may also be provided with sliding bars and handles for manual operation. Specification 26187/05 is referred to.
Patent GB-912809-A (GB)
Title: Improvements in photographic flash apparatus
IPC: H05B41/32
Filed: 1959-02-18
Abstract: 912,809. Charging and discharging capacitors. MULTIBLITZ GERATE Dr. ING. D. A. MANNESMANN GES. FUR. Feb. 18, 1959 [Feb. 21, 1958], No.5581/59. Drawings to Specification. Class 38 (4). A photographic flash apparatus provides both a single flash and stroboscopic illumination and is arranged to supply one or more flash tubes from separate capacitors. The apparatus is provided with a relay which prevents discharge of the flash tube or tubes until the, or all, of the capacitors are charged, which relay remains energized if any of the capacitors has not discharged through the corresponding tube, a relay contact energizing an indicator lamp. Specifications 912,807 and 912,808 are referred to.
Patent GB-111423-A (GB)
Title: Improvements in the Manufacture of Buttons.
Inventor: GAUNT CHARLES FREDERICK
IPC: A44B1/24
Filed: 1917-04-21
Abstract: 111,423. Gaunt, C. F. April 21, 1917. Buttons.-The stamped sheet-metal back A of a metal button for uniforms &c. is secured to the hollow dome-shaped front B by closing an upstanding rim 2 on the back A around the periphery 3 of the front B by means of press tools.
Patent GB-491231-A (GB)
Title: Improvements in or relating to developing tanks for photographic roll-films
IPC: G03D13/06
Filed: 1937-02-25
Abstract: 491,231. Photographic developing- apparatus. ERSKINE, A..J. Feb. 25, 1937, No.5605. [Class 98 (ii)] A developing tank for roll films is provided with means for guiding and supporting the film in the space to be occupied by the developing solution, means for engaging the free end of the film and means operable from outside the tank for moving said engaging means around said guiding and supporting means so as to draw the film therearound and means may also be provided for separating the backing paper from behind the film. In the form shown Fig. 1 represents a tank a made of plastic material such as resin fitted with inlet c and light-tight cap d. The compartment g comprises a spool k of exposed film and a rotatable empty spool m and is fitted with a lid h. The spool compartment is fitted with a slot s and spring t for guiding the film. A plate u, Fig. 3, moulded with a spiral groove v on one side is adapted to rest in the tank a against one side thereof and a disc having a central boss y is rotatably mounted on a loose shaft z. The disc x is formed with a radially extending slot 11, Fig. 5, which constitutes a guideway for a slide-block 12 fitted with a peg 13 for moving in the groove v and with a slotted bar 14. Supporting rods 15 project from the opposite wall and are arranged in a spiral. These rods are preferably removable. A friction wheel 16 fitted with operating knob 18 engages the edge of the disc x. Backing paper is wound on the spool m, and the film passes through slot s and is engaged with the bar 14 and the lid d is placed in position. The knobs of both spool m and wheel 16 are now rotated so that the film is wound round the rods 15 and the backing paper round the spool m. Developing solution may then be introduced through inlet c. Stop pins may be placed at suitable positions at the end of the spiral v so as to arrest the movement of the bar 14 when the spool is unwound. The - spool m may be rotated by means of a spring or geared with the spool k so that the: rotation of a single handle 1.8 may effect the drawing of the film and removal of the backing paper simultaneously. The slit s may be furnished with rubber edges pressing together to form a water- @ight seal. The tank may be provided with means for rocking it and also with an outlet tap. In another form the bars 14 may engage with a spiral guide at both ends and draw the film around so as to engage its ends in a spiral groove. The backing paper may be led through a guide slit into a chamber where it will form a coil of its own volition. Reference has been directed by the Comptroller to Specificatlions 166,897 and 205,968, [both in class 98 (ii)].
Patent GB-229498-A (GB)
Title: Improvements relating to dyeing machines
IPC: D01D10/04
Filed: 1924-03-05
Abstract: 229,498. Farrar, J., and Whitehead, A. R. March 5, 1924. Hank type.-Apparatus for dyeing hanks comprises a frame with transverse bars carrying the hanks, the frame being adapted to be moved up and down in the vat by cam mechanism so as to produce variations in the dyeing effect on the hanks. The frame A is provided with hank-carrying bars a and has metal plates a<9> at its ends which are adapted to rest, when the frame is lowered, on cams a<2> mounted on transverse shafts connected by chain and sprocket gearing a<7>. The gearing is suitably rotated so that the cams produce a vertical up- and-down movement of the frame and hanks, the hanks thus being immersed in the dye liquor to a variable extent and dyed to a variable amount. When the parts of the hanks under treatment are sufficiently dyed fresh portions are brought under treatment by rotating the hank-carrying bars.
Patent GB-893979-A (GB)
Title: Improvements in the destructive hydrogenation of crude oils, tars and their residues
Inventor: OETTINGER WILLI
IPC: C10G65/12
Filed: 1960-02-18
Abstract: The refining or destructive hydrogenation of crude oils, tars or their residues is effected by pretreating with 0,1-0,5 normal cubic metres of hydrogen per kilogram of oil in the presence of large surfaced material, at at least 300 DEG C. then adding further hydrogen to provide at least 0,4 normal cubic metres per kilogram and effecting the hydrogenation over a hydrogenation catalyst with increasing temperature up to reaction temperature, i.e. 350 DEG -550 DEG C.  The pretreatment and hydrogenation are otherwise effected as in the parent Specification.
Patent GB-1414196-A (GB)
Title: Valves for fluids
IPC: F16K3/24
Filed: 1973-02-06
Abstract: 1414196 Valves WHITEY RESEARCH TOOL CO 6 Feb 1973 [7 Feb 1972] 5751/73 Heading F2V A tapered plug lift valve for controlling abrasive or corrosive fluids under high pressure has a part conical, part cylindrical closure member 56. The cylindrical part slides in a cylindrical bore 54 of a bonnet 25 and is sealed by a combination of three seals, an 0-ring (64) providing the primary seal and two P.T.F.E. split washers (66), (65), whose function is to act as a scraper and dirt seal respectively. The closure member is releasably connected to the threaded actuating stem 68, the T-shaped end 74 of which is received in a T-shaped slot in the end of the plug. The conical end of the closure member co-operates with a resilient seat insert 26 held in place and sealed by the end face 40 of the bonnet, which also seals against the valve body. The insert which is prevented from rotating by a lug 34 (Fig. 3, not shown), engaging a matching recess in the body, is made of a material softer than the plug, such as a soft metal or plastics. The valve body may be made of stainless steel.
Patent GB-752244-A (GB)
Title: Improvements in surgical trusses
Inventor: NAYLOR ALFRED GEORGE
IPC: A61F5/30
Filed: 1954-02-26
Abstract: 752,244. Surgical trusses. SALMON ODY, Ltd. Feb. 28, 1955 [Feb. 26, 1954], No. 5771/54. Class 81(2). The pad 2 of a surgical truss is mounted on a ball-ended stud 4 which is screwed into a tapped hole 7 in the spring band 1, and is secured by a lock nut 8 which may be so shaped as to serve as an anchorage for a strap. The stud is preferably tapered as at 4 to provide a shoulder 5.
Patent GB-1416891-A (GB)
Title: Foldable tray
IPC: B65D6/18
Filed: 1972-02-08
Abstract: 1416891 Foldable tray IMPERIAL CHEMICAL INDUSTRIES Ltd 11 April 1973 [8 Feb 1972] 5795/72 Heading B8P A tray which is injection moulded from polypropylene and in which the hinges are integrally moulded, comprises a base 10, primary wall pieces 11 and 12 hinged to the base and secondary wall pieces 13-16 hinged to the ends of the primary wall pieces. The base 10 may be oblong or square. The secondary wall pieces 15, 16 include fingers 26, 27 which can abut fingers 28, 29 of the other secondary wall pieces 13, 14. The tray may be held in its erect condition by studs 23 on a pair of opposed edges of the base 10 engaging in sockets 24 in the secondary wall pieces 13-16 or by securing means applied to the abutting fingers 26-29.